– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 3 am Tue 09 Dec Local TimeUpdates in: hr min sUpdate imminent
Issued: 3 am Tue 09 Dec Local Time
Updates in:
Update imminent hr min s
Issued: 3 am Tue 09 Dec Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryHeavy rain (total 96mm), heaviest during Wed morning. Very mild (max 10°C on Wed morning, min 5°C on Tue afternoon). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 15mm), heaviest on Sat night. Very mild (max 10°C on Sat morning, min 7°C on Fri night). Wind will be generally light. | |||||||||||||||||
Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  |  | | | |  |  | | |  |  | |  | | | | |
rain shwrs | light rain | heavy rain | heavy rain | heavy rain | heavy rain | light rain | cloudy | light rain | light rain | light rain | rain shwrs | some clouds | light rain | mod. rain | light rain | light rain | mod. rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
0.5 | 1.1 | 19 | 25 | 22 | 27 | 0.1 | — | 1.6 | 1.6 | 1.7 | 0.9 | — | 0.1 | 5 | 0.8 | 0.1 | 5 | |
max°C | 7 | 6 | 9 | 10 | 10 | 10 | 7 | 6 | 7 | 8 | 9 | 9 | 10 | 10 | 10 | 8 | 8 | 8 |
min°C | 6 | 5 | 6 | 10 | 10 | 7 | 6 | 5 | 5 | 8 | 8 | 7 | 8 | 9 | 8 | 8 | 8 | 8 |
5 | 3 | 4 | 8 | 9 | 6 | 5 | 5 | 5 | 7 | 8 | 6 | 7 | 7 | 6 | 6 | 6 | 6 | |
1400 | 1550 | 2550 | 2450 | 2500 | 2050 | 1500 | 1450 | 2050 | 2200 | 1900 | 2300 | 2300 | 2550 | 2150 | 1950 | 1850 | 1900 | |
Cloud base (m) | 800 | 1700 | 550 | 550 | 550 | 600 | 750 | 2750 | 600 | 600 | 550 | 650 | 900 | 5700 | 1650 | 600 | 650 | 700 |
 | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — | — | 7:52 | — | — |
 | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — | — | 4:10 | — |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Heavy rain (total 96mm), heaviest during Wed morning. Very mild (max 10°C on Wed morning, min 5°C on Tue afternoon). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Moderate rain (total 15mm), heaviest on Sat night. Very mild (max 10°C on Sat morning, min 7°C on Fri night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.